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Installation
Recommended Locations
• Install the first alarm in the immediate area of the
bedrooms. Install additional alarms to monitor the exit
path, as the bedrooms are usually farthest from the exit.
If more than one sleeping area exists, locate additional
alarms in each sleeping area (Image 1A).
• Install additional alarms to monitor any stairway as
stairways act like chimneys for smoke and heat.
• Install at least one alarm on every floor level (Image 1B).
• Install an alarm in every bedroom.
• Install an alarm in every room where large electrical
appliances are operated (i.e. portable heaters or
humidifiers).
• Install an alarm in every room where someone sleeps
with the door closed. The closed door may prevent an
alarm located outside from waking the sleeper.
• Smoke, heat, and combustion products rise to the
ceiling and spread horizontally. Mounting the smoke
alarm on the ceiling in the centre of the room places it
closest to all points in the room. Ceiling mounting is
preferred in ordinary residential construction.
• When mounting an alarm on the ceiling, locate it at a
minimum of 30 cm (12 in) from the side wall (Image 2A).
• For mobile home installation, select locations carefully
to avoid thermal barriers that may form at the ceiling.
For more details, see MOBILE HOME INSTALLATION
on page 4.
• When mounting the alarm on the wall, use an interior
wall with the top edge of the alarm at a minimum of 10
cm (4 in) and a maximum of 30 cm (12 in) below the
ceiling (Image 2A).
• Put smoke alarms at both ends of a bedroom hallway or
large room if the hallway or room is more than 9.1 m
(30 ft) long.
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